OEM BMW Cooling Systems Online

51748057306 - : Air Duct for BMW Image

Air Duct

Without m model, oil cooler, with m pkg.
$166.10
MSRP $207.62
Save $41.52
20% Off
51747311691 - : Air Duct for BMW Image

Air Duct

Without m model, 2.0L turbo, oil cooler, without m pkg., #2.
$106.56
MSRP $133.20
Save $26.64
20% Off
51748055211 - : Air Duct for BMW Image

Air Duct

Without m model, 2.0L turbo, oil cooler, with m pkg.
Backordered
51748055212 - : Air Duct for BMW Image

Air Duct

Without m model, 3.0L, 4.4L, oil cooler, with m pkg.
$111.62
MSRP $139.52
Save $27.90
20% Off
64539868421 - : AC Hoses for BMW Image

AC Hoses

Discharge hose. X3. 2.0l. X4. 2.0l. Without xdrive 30ex, 2.0L. Xdrive30i, m40i, condenser to compressor, 2.0L.
$151.64
MSRP $189.55
Save $37.91
20% Off
51747304535 - : Air Duct for BMW Image

Air Duct

Without m model, 2.0L turbo, oil cooler, without m pkg., #1.
$38.75
MSRP $48.44
Save $9.69
20% Off
51747311692 - : Air Duct for BMW Image

Air Duct

Without m model, 3.0L, 4.4L, oil cooler, without m pkg., #2.
$106.56
MSRP $133.20
Save $26.64
20% Off
17117602064 - : Upper Support Bushing for BMW Image

Upper Support Bushing

$13.78
MSRP $17.23
Save $3.45
20% Off
11727508048 - : Air Tube for BMW Image

Air Tube

Z4. 2.5L.
$49.40
MSRP $61.75
Save $12.35
20% Off
11538872735 - : Engine Coolant Pipe for BMW Image

Engine Coolant Pipe

Engine Cooling. Engine Water Pump to Pipe. Incl.Pipe. 3.0L with M4 main. Coolant hose. 3.0L twin-turbo main. Cooling pipe. 3.0L with m,...
$30.84
MSRP $38.55
Save $7.71
20% Off
64538390652 - : AC Line for BMW Image

AC Line

Condensor to compressor, 740iL & 740i. Condenser to compressor, 530i & 540i.
Backordered
64538390620 - : AC Line for BMW Image

AC Line

Compressor to drier, 750iL. Evaporator to drier, 525i.
Backordered

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Keeping your BMW Cooling System in top condition

Engines generate a lot of heat while running, and a properly functioning cooling system keeps everything at safe temperatures. Drivers rely on these systems to prevent overheating that can cause serious damage. Regular inspection and maintenance are essential to catch issues early. At BMW Auto Parts Online, we provide genuine BMW replacements that maintain your car’s performance and reliability.

How cooling systems work

The cooling system circulates coolant through the engine and radiator to absorb and release heat. Components like the water pump, thermostat, and radiator work together to maintain consistent engine temperatures. A well-maintained cooling system ensures the engine runs efficiently, avoids overheating, and supports long-term reliability. Related parts, such as the radiator hose, also play a role in keeping coolant moving smoothly.

Why cooling systems fail

Over time, components can wear out or become clogged. Leaks in hoses, a failing water pump, or a stuck thermostat can lead to overheating. Contaminated or old coolant can corrode metal surfaces and damage seals. Recognizing signs like temperature spikes, coolant leaks, or unusual noises can help prevent costly repairs.

When to replace parts

Replacement intervals depend on vehicle age, mileage, and driving conditions. Genuine BMW parts provide precision fit and durability that aftermarket options often cannot match. Popular models such as the BMW 5 Series and BMW X5 benefit from OEM cooling system replacements, ensuring consistent performance and longer lifespan. Regular maintenance and timely replacement keep the engine safe and reliable.

Maintaining a BMW’s cooling system protects the engine and supports smooth performance on every drive. Choosing genuine BMW parts from BMW Auto Parts Online guarantees quality and compatibility. Staying on top of maintenance prevents unexpected failures and keeps the vehicle running as intended. Investing in authentic components ensures peace of mind for years of dependable driving.